NEW YORK, Feb. 3, 2015 /PRNewswire/ -- S&P Dow Jones Indices will make the following changes to the S&P MidCap 400 and S&P SmallCap 600 indices after the close of trading on Monday, February 9:

• Vista Outdoor Inc. (NYSE: VSTOwi) will replace CARBO Ceramics Inc. (NYSE: CRR) in the S&P MidCap 400, and CARBO Ceramics will replace Alliance One International Inc. (NYSE: AOI) in the S&P SmallCap 600. S&P MidCap 400 constituent Alliant Techsystems Inc. (NYSE: ATK) is spinning off Vista Outdoors in a transaction expected to be completed on that date. Alliant Techsystems will remain in the S&P MidCap 400 following the distribution. CARBO Ceramics' market capitalization is below $800 million, making it more representative of the small cap market space. Alliance One International is ranked # 600 in the S&P SmallCap 600.
• Summit Hotel Properties Inc. (NYSE: INN) will replace Orbital Sciences Corp. (NYSE: ORB) in the S&P SmallCap 600. The post spin-off Alliant Techsystems is acquiring Orbital Science in a transaction expected to be completed on or about February 9. Post merger, the combined company will change its name to Orbital ATK Inc.

Vista Outdoor is a designer, manufacturer and marketer in the outdoor sports and recreation markets. Headquartered in Clearfield, UT, the company will be added to the S&P MidCap 400 GICS (Global Industry Classification Standard) Leisure Products Sub-Industry index.

CARBO Ceramics operates as an oilfield services technology company. Headquartered in Houston, TX, the company will be added to the S&P SmallCap 600 GICS Oil & Gas Equipment & Services Sub-Industry index.

Summit Hotel Properties, operating as a Real Estate Investment Trust (REIT), acquires and owns hotels. Headquartered in Austin, TX, the company will be added to the S&P SmallCap 600 GICS Hotel & Resort REITs Sub-Industry index.

Following is a summary of the changes:

Additions to and deletions from S&P Dow Jones Indices do not in any way reflect an opinion on the investment merits of the companies involved.

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For more information:

David Blitzer
Managing Director and Chairman of the Index Committee
S&P Dow Jones Indices
(+1) 212 438 3907
david.blitzer@spdji.com 

David R. Guarino
Communications
S&P Dow Jones Indices
(+1) 212 438 1471
dave.guarino@spdji.com

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SOURCE S&P Dow Jones Indices